LATAKIA, SYRIA. MARCH 15, 2016. A Sukhoi Su-34 fighter bomber prepares to leave the Hmeymim air base for its permanent base in Russia. On March 14, 2016, Russian President Vladimir Putin gave an order to start the withdrawal of the main part of Russian forces from Syria. Video screen grab. Russian Defence Ministry's Press and Information Department/TASS (Photo by TASS\TASS via Getty Images)